package day20171129;

public class Test01 {
    public static void main(String[] args) {
//        int dim[][]={{1,2},{3,4,5},{6,7,8,9},{10,11,12,13,14}};
//        int N=10;
//        int[] a=new int[N];
//        System.out.println(a[N]);

//        int[][] a={{1,2},{3,4,5},{6,7,8},{9,10},{11,12,13,14,15}};
//
//        System.out.println(a.length);
//        System.out.println(a[2].length);
//        System.out.println( a[3].length);

    }
}
